mirror of
https://github.com/coreutils/coreutils.git
synced 2024-12-18 06:18:25 +08:00
60 lines
1.7 KiB
Plaintext
60 lines
1.7 KiB
Plaintext
# mbswidth.m4 serial 11
|
|
dnl Copyright (C) 2000-2002, 2004 Free Software Foundation, Inc.
|
|
dnl This file is free software; the Free Software Foundation
|
|
dnl gives unlimited permission to copy and/or distribute it,
|
|
dnl with or without modifications, as long as this notice is preserved.
|
|
|
|
dnl autoconf tests required for use of mbswidth.c
|
|
dnl From Bruno Haible.
|
|
|
|
AC_DEFUN([gl_MBSWIDTH],
|
|
[
|
|
AC_CHECK_HEADERS_ONCE(wchar.h wctype.h)
|
|
AC_CHECK_FUNCS_ONCE(isascii iswprint mbsinit)
|
|
AC_CHECK_FUNCS(iswcntrl wcwidth)
|
|
gl_FUNC_MBRTOWC
|
|
|
|
AC_CACHE_CHECK([whether wcwidth is declared], ac_cv_have_decl_wcwidth,
|
|
[AC_TRY_COMPILE([
|
|
/* AIX 3.2.5 declares wcwidth in <string.h>. */
|
|
#if HAVE_STRING_H
|
|
# include <string.h>
|
|
#endif
|
|
#if HAVE_WCHAR_H
|
|
# include <wchar.h>
|
|
#endif
|
|
], [
|
|
#ifndef wcwidth
|
|
char *p = (char *) wcwidth;
|
|
#endif
|
|
], ac_cv_have_decl_wcwidth=yes, ac_cv_have_decl_wcwidth=no)])
|
|
if test $ac_cv_have_decl_wcwidth = yes; then
|
|
ac_val=1
|
|
else
|
|
ac_val=0
|
|
fi
|
|
AC_DEFINE_UNQUOTED(HAVE_DECL_WCWIDTH, $ac_val,
|
|
[Define to 1 if you have the declaration of wcwidth(), and to 0 otherwise.])
|
|
|
|
dnl UnixWare 7.1.1 <wchar.h> has a declaration of a function mbswidth()
|
|
dnl that clashes with ours.
|
|
AC_CACHE_CHECK([whether mbswidth is declared in <wchar.h>],
|
|
ac_cv_have_decl_mbswidth,
|
|
[AC_TRY_COMPILE([
|
|
#if HAVE_WCHAR_H
|
|
# include <wchar.h>
|
|
#endif
|
|
], [
|
|
char *p = (char *) mbswidth;
|
|
], ac_cv_have_decl_mbswidth=yes, ac_cv_have_decl_mbswidth=no)])
|
|
if test $ac_cv_have_decl_mbswidth = yes; then
|
|
ac_val=1
|
|
else
|
|
ac_val=0
|
|
fi
|
|
AC_DEFINE_UNQUOTED(HAVE_DECL_MBSWIDTH_IN_WCHAR_H, $ac_val,
|
|
[Define to 1 if you have a declaration of mbswidth() in <wchar.h>, and to 0 otherwise.])
|
|
|
|
AC_TYPE_MBSTATE_T
|
|
])
|